A photoelectric sound-activated relay

• 1 January 1968
• journal article
• Published by Springer Nature in Behavior Research Methods
• Vol. 1  (4) , 147
• https://doi.org/10.3758/bf03209892

Abstract

Keywords

• RELIABLE
• SOUND ACTIVATED
• PHOTOELECTRIC SOUND
• ACTIVATED RELAY
• LOW VOLTAGE
• PHOTOCELL CONTROL
• PROGRAM CAPABILITY
• VOLTAGE LAMP